APA (7th ed.) Zitazioa

ebrary, Inc, Els, T. v., Bongaerts, T., & De Bot, K. (1997). Perspectives on foreign-language policy: Studies in honour of Theo van Els. J. Benjamins Pub. Co..

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, Theo van Els, Theo Bongaerts, eta Kees De Bot. Perspectives on Foreign-language Policy: Studies in Honour of Theo Van Els. Amsterdam ; Philadelphia, Pa.: J. Benjamins Pub. Co., 1997.

MLA (9th ed.) Zitazioa

ebrary, Inc, et al. Perspectives on Foreign-language Policy: Studies in Honour of Theo Van Els. J. Benjamins Pub. Co., 1997.